Arduino with 3-axis joystick

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//16x2 LCD
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2); //A4 - SDA, A5 - SCK (SCL)

//Pins
const byte Analog_X_pin = A0; //x-axis readings
const byte Analog_Y_pin = A1; //y-axis readings
const byte Analog_R_pin = A2; //R-axis readings
//const byte Analog_Button_pin = 2; //attachinterrupt compatible pin


//Variables
int Analog_X = 0; //x-axis value
int Analog_Y = 0; //y-axis value
int Analog_R = 0; //R-axis value
//bool Analog_Button = false; //button status

float timeNow; //timer for printing on the LCD

void setup()
{

  //SERIAL
  //Serial.begin(9600);
  //-----------------
  //LCD
  lcd.begin();
  lcd.setCursor(0,0); //Defining position to write from first row,first column .
  lcd.print("Analog joystick");
  lcd.setCursor(0,1);
  lcd.print("Demonstration"); //You can write 16 Characters per line .
  //
  delay(3000); //wait 3 sec
  PrintLCD();
  //----------------------------------------------------------------------------
  //PINS
  pinMode(Analog_X_pin, INPUT);
  pinMode(Analog_Y_pin, INPUT);
  pinMode(Analog_R_pin, INPUT);
  //pinMode(Analog_Button_pin, INPUT_PULLUP);
  //attachInterrupt(digitalPinToInterrupt(Analog_Button_pin), ButtonPressed ,FALLING);
  //----------------------------------------------------------------------------
  timeNow = millis();
}

void loop()
{

  ReadAnalog(); //reading x,y, and r.


    if(millis() - timeNow > 200) //updating the LCD every 200 ms
    {
    UpdateLCD();
    timeNow = millis(); //resetting timer
    }


}

void ReadAnalog()
{

  Analog_X = analogRead(Analog_X_pin);
  delay(10); //allowing a little time between two readings
  Analog_Y = analogRead(Analog_Y_pin);
  delay(10); //allowing a little time between two readings
  Analog_R = analogRead(Analog_R_pin);

}

void PrintLCD()
{
  //printing on the LCD - these are permanent
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print(" X    Y     R ");
}

void UpdateLCD()
{
  //We only update the values that are changing
  lcd.setCursor(0,1);
  lcd.print("    ");
  lcd.setCursor(0,1);
  lcd.print(Analog_X);
  lcd.setCursor(5,1);
  lcd.print("    ");
  lcd.setCursor(5,1);
  lcd.print(Analog_Y);
  lcd.setCursor(11,1);
  lcd.print("    ");
  lcd.setCursor(11,1);
  lcd.print(Analog_R);//Print the value
}

//Not used in this code, but I keep it in the code, so you can add a button easily. Just uncomment the related parts.
void ButtonPressed()
{
    Analog_Button = true; //flip the variable
}